目录

第1章 前言·················································································1

  1.1塔式起重机概述········································································1

  1.2塔式起重机的发展趋势································································1   

第2章 总体设计···········································································1

  2.1 概述···················································································2

  2.2 总体设计方案的确定··································································2

    2.2.1金属结构···········································································2

    2.2.2工作机构··········································································19

    2.2.3安全保护装置·····································································26

 2.3总体设计原则······································································· 28

   2.3.1整机工作级别································································· 28

   2.3.2机构工作级别································································· 28

   2.3.3主要技术性能参数··························································· 29

  2.4平衡臂与平衡重的计算·······························································29

  2.5起重特性曲线··········································································31

  2.6塔机风力计算··········································································32

     2.6.1工作工况Ⅰ······································································33

    2.6.2工作工况Ⅱ······································································36

    2.6.3非工作工况Ⅲ ··································································39

  2.7整机的抗倾翻稳定性计算····························································41

    2.7.1工作工况Ⅰ·······································································42

    2.7.2工作工况Ⅱ········································································43

    2.7.3非工作工况Ⅲ·····································································44

    2.7.4工作工况Ⅳ·······································································45

第3章 起升机构的设计和计算·······················································47

  3.1起升机构的形式·······································································47

  3.2 确定起升机构滑轮组倍率···························································49

  3.3 钢丝绳的选择········································································50

  3.4 确定卷筒的尺寸·····································································51

  3.5 选择电动机···········································································52

  3.6计算传动比，确定卷筒直径·························································53

  3.7 校验卷筒··············································································54

  3.8 选择滑轮··············································································54

  3.9 选择减速器、制动器、联轴器······················································55

  3.10 电动机及起升机构起、制动时间校验············································58

第4章 吊钩组的设计····································································61

  4.1 吊钩组的形式·········································································61

  4.2 吊钩的形式············································································61

  4.3 吊钩计算···············································································62

  4.4 吊钩横梁计算·········································································64 毕业设计小结··············································································66

参考文献·····················································································67